Knowledge of the body

People often disagree about what is and isn't healthy. Learn more about hotly disputed health topics and find out about the latest research.

84 articles

How do muscle cramps develop?
The muscle contracts involuntarily, giving rise to pain. How do muscle cramps develop and what helps to counter them?
28.07.2022 3 minutes )}

Aching muscles: the key facts
How do aching muscles come about and what helps to counter them?
27.07.2022 3 minutes )}

Is it colour blindness or colour vision deficiency?
Colour-blind people or those with a red-green deficiency either can't see colour at all, or only partially. More on colour vision deficiency.
07.06.2022 4 minutes )}

Sunstroke: heat accumulation in the head
Sunstroke is caused by your head overheating as a result of prolonged sun exposure. Here’s how to protect yourself and your children from it.
01.06.2022 5 minutes )}

How do glasses with a blue light filter help?
Displays give off lots of blue light, disturbing our sleep-wake cycle. Is it true that glasses with a blue light filter can help against this?
19.05.2022 2 minutes )}

The eye: the structure and how it works
Cornea, lens, retina – the eye is a highly complex sensory organ. We’ll show you how it is structured and how its individual parts work.
13.05.2022 5 minutes )}

What is astigmatism?
Astigmatism is a common vision problem. It is not age-related and often occurs in conjunction with short- and long-sightedness.
13.05.2022 4 minutes )}

20 tips for a strong heart
Stress, an unbalanced diet or not enough exercise: there are many causes of heart disease. However, it is never too late to change your own lifestyle. We will show you how.
30.03.2022 4 minutes )}

What should you do after a tick bite?
You should remove the tick as soon as you can. But there are some important points to remember. Certain symptoms should ring alarm bells.
28.03.2022 4 minutes )}

How are your iron levels?
An iron level test detects iron deficiency. All about iron requirements and iron levels for men, women and children.
01.03.2022 4 minutes )}